Abstract
A preliminary survey of avifauna was carried out along the Naaj River in the Billawar region of the Kathua district in Jammu and Kashmir, aimed at assessing the diversity of aquatic birds. The field study spanned from October 2020 to September 2021, utilizing the point count method to document the diversity and relative abundance of bird species. Results revealed a total of 37 aquatic bird species, distributed across 8 orders and 17 families within the surveyed river. The Shannon Wiener diversity index was employed to calculate bird diversity, ranging from H’= 2.599±1.07 to H’= 3.343±1.81. Species richness, measured by the Margalef index, varied from 6.58±2.41 to 7.18±2.41. Among the 37 bird species observed, 22 were categorized as common, 8 as rare, and 7 as abundant in the study area.
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